参数资料
型号: ST6235BQ1/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP52
封装: PLASTIC, QFP-52
文件页数: 32/82页
文件大小: 617K
代理商: ST6235BQ1/XXX
38/82
ST62T35B/E35B
I/O PORTS (Cont’d)
4.1.6 I/O Port Option Registers
ORA/B/C/D/E (CCh PA, CDh PB, CEh PC, CFh
PD, FEh PE)
Read/Write
Bit 7-0 = Px7 - Px0: Port A, B, C, D and E Option
Register bits.
4.1.7 I/O Port Data Direction Registers
DDRA/B/C/D/E (C4h PA, C5h PB, C6h PC, C7h
PD, FDh PE)
Read/Write
Bit 7-0 = Px7 - Px0:
Port A, B, C, D and E Data Di-
rection Registers bits.
4.1.8 I/O Port Data Registers
DRA/B/C/D/E (C0h PA, C1h PB, C2h PC, C3h
PD, FCh PE)
Read/Write
Bit 7-0 = Px7 - Px0: Port A, B, C, D and E Data
Registers bits.
70
Px7
Px6
Px5
Px4
Px3
Px2
Px1
Px0
70
Px7
Px6
Px5
Px4
Px3
Px2
Px1
Px0
70
Px7
Px6
Px5
Px4
Px3
Px2
Px1
Px0
37
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